未: did not; have not有: 5年 fifteen years污水: sewage; slops; effluent; dra ...设施: installation; facilities的: 4次方是 The fourth power of 2 i ...乡村: village; countryside; rural ...铺设: spread out; lay; build; layi ...污水管: cesspipe; drain; sewer pipe; ...未铺设污水管的乡村: unsewered village未有污水设施的地区；未铺设污水管的地区: unsewered area未有污水设施的乡村: unsewered village未铺设污水管的发展区: unsewered development未有污水设施的发展区: unsewered development未有污水设施地区: unsewered areas已铺设污水管的地区: sewered area已有污水设施的地区: sewered area边远的乡村: boo-ay法国的乡村: the french countryside辽远的乡村: a remote village贫穷的乡村: poor countryside夏日的乡村: the countryside in summer在偏远的乡村: in the depth of the country ie a long way from a town安逸的乡村金曲: country music经典的乡村音乐: classiccountry英国的乡村生活: pural life in england
